/* Mavic 3 Flight Trainer website: light by default, follows the system dark mode */
:root{
  color-scheme:light dark;
  --bg:#f7f8fa;
  --surface:#ffffff;
  --surface-2:#f0f2f5;
  --ink:#0c1116;
  --ink-2:#465061;
  --ink-3:#7b8494;
  --line:#e2e6ec;
  --brand:#f5a524;
  --brand-2:#ffb944;
  --brand-ink:#8f5400;
  --on-brand:#1a1205;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 12px 32px -12px rgba(16,24,40,.18);
  --radius:16px;
  --max:1160px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0a0e12;
    --surface:#11171d;
    --surface-2:#161d24;
    --ink:#eef2f5;
    --ink-2:#a9b3be;
    --ink-3:#727d89;
    --line:#222b34;
    --brand-ink:#ffbf55;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.6);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{width:min(var(--max),100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;padding:8px 12px;background:var(--surface);border-radius:8px;z-index:100}
.skip:focus{left:16px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 78%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand img{width:32px;height:32px;border-radius:8px}
.links{display:flex;gap:4px;margin-left:auto;list-style:none;padding:0;margin-block:0}
.links a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-2)}
.links a:hover{color:var(--ink);background:var(--surface-2)}
.links a[aria-current=page]{color:var(--ink);font-weight:600}
.menu-btn{display:none;margin-left:auto;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.menu-btn svg{width:20px;height:20px;margin:auto;display:block}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font:600 15px/1 var(--font);text-decoration:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.primary:hover{background:var(--brand-2)}
.btn.sm{height:38px;padding:0 14px;font-size:14px;border-radius:10px}
.btn svg{width:18px;height:18px}

/* ---------- type ---------- */
h1,h2,h3{letter-spacing:-.025em;line-height:1.1;margin:0;text-wrap:balance}
h1{font-size:clamp(38px,5.6vw,64px);font-weight:800}
h2{font-size:clamp(28px,3.4vw,40px);font-weight:750}
h3{font-size:18px;font-weight:650;letter-spacing:-.01em}
p{margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--brand-ink);margin-bottom:16px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.lede{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);max-width:56ch;margin-top:18px}
.muted{color:var(--ink-2)}

/* ---------- sections ---------- */
section{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:40px}
.sec-head p{color:var(--ink-2);margin-top:12px;font-size:17px}
.hero{padding:72px 0 32px;text-align:center}
.hero .lede{margin-inline:auto}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero .cta-row{justify-content:center}
.shot{margin:56px auto 0;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px -30px rgba(16,24,40,.45);background:#0a0e12;aspect-ratio:16/10}
.shot img{width:100%;height:100%;object-fit:cover}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.stat{padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);text-align:center}
.stat b{display:block;font-size:30px;font-weight:800;letter-spacing:-.03em}
.stat span{font-size:14px;color:var(--ink-3)}

.grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.card{padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.card .ic{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 16%,transparent);color:var(--brand-ink);margin-bottom:16px}
.card .ic svg{width:20px;height:20px}
.card p{color:var(--ink-2);font-size:15px;margin-top:8px}

.gallery{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.gallery figure{margin:0}
.gallery img{border-radius:14px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;width:100%}
.gallery figcaption{font-size:14px;color:var(--ink-3);margin-top:10px}

.steps{display:grid;gap:16px;grid-template-columns:repeat(3,1fr);counter-reset:s}
.steps li{list-style:none;padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);counter-increment:s}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font:600 13px var(--mono);color:var(--brand-ink);margin-bottom:14px}
.steps p{color:var(--ink-2);font-size:15px;margin-top:6px}
ol.steps{padding:0;margin:0}

.band{border-radius:24px;padding:56px;background:#0b0f14;color:#eef2f5;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(245,165,36,.35),transparent 70%);pointer-events:none}
.band p{color:#a9b3be;margin-top:10px}

/* ---------- content pages ---------- */
.page-head{padding:64px 0 8px}
.crumbs{font-size:14px;color:var(--ink-3);margin-bottom:16px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.prose{max-width:760px}
.prose h2{font-size:26px;margin:48px 0 12px}
.prose h3{margin:28px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose p+p{margin-top:12px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:6px 0}
.prose strong{color:var(--ink)}
.page-body{padding:24px 0 88px}
.table{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-size:13px;font-weight:600;color:var(--ink-3);background:var(--surface-2)}
td{color:var(--ink-2)}
td:first-child{color:var(--ink);font-weight:500}
kbd{font:600 12.5px var(--mono);padding:2px 7px;border-radius:6px;border:1px solid var(--line);border-bottom-width:2px;background:var(--surface-2);color:var(--ink);white-space:nowrap}
.lesson-group{margin-top:40px}
.lesson-group h2{font-size:15px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.lesson{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:18px 20px;border-radius:14px;background:var(--surface);border:1px solid var(--line);margin-top:10px}
.prose .lesson h3{margin:0}
.prose .lesson-group h2{margin:0 0 12px}
.lesson .n{font:600 14px var(--mono);color:var(--brand-ink);padding-top:2px}
.lesson p{color:var(--ink-2);font-size:15px;margin-top:4px}
details{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:0 20px;margin-top:10px}
summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:400;font-size:22px;line-height:1;color:var(--ink-3)}
details[open] summary::after{content:"−"}
details p{color:var(--ink-2);padding-bottom:18px}
.note{margin-top:32px;padding:18px 20px;border-radius:14px;background:color-mix(in srgb,var(--brand) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));color:var(--ink-2);font-size:15px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:48px 0 40px;margin-top:24px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot p{color:var(--ink-3);font-size:14px;margin-top:12px;max-width:40ch}
.foot h3{font-size:13px;font-weight:600;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:8px 0}
.foot li a{text-decoration:none;color:var(--ink-2);font-size:15px}
.foot li a:hover{color:var(--ink)}
.legal{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid,.gallery,.steps{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .foot>div:first-child{grid-column:1/-1}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav .cta{display:none}
  .links{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:0;padding:8px 16px 16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .links a{padding:12px}
  .nav.open .links{display:flex}
  .links .m-cta{display:block;margin-top:8px}
  section{padding:64px 0}
  .hero{padding:48px 0 16px}
  .grid,.gallery,.steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .stat{padding:14px 8px}
  .stat b{font-size:24px}
  .band{padding:32px 24px}
}
@media (min-width:761px){.links .m-cta{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}